This series introduces VFIO_DEVICE_SET_GFX_FLIP_EVENTFD ioctl command to set the eventfd based signaling mechanism in vfio display. vGPU can use this eventfd to deliver the framebuffer page flip event to userspace. Tina Zhang (2): vfio: ABI for setting mdev display flip eventfd drm/i915/gvt: Support delivering page flip event to userspace drivers/gpu/drm/i915/gvt/dmabuf.c | 31 +++++++++++++++++++++++++++++ drivers/gpu/drm/i915/gvt/dmabuf.h | 1 + drivers/gpu/drm/i915/gvt/gvt.c | 1 + drivers/gpu/drm/i915/gvt/gvt.h | 2 ++ drivers/gpu/drm/i915/gvt/handlers.c | 2 ++ drivers/gpu/drm/i915/gvt/kvmgt.c | 7 +++++++ include/uapi/linux/vfio.h | 12 +++++++++++ 7 files changed, 56 insertions(+) -- 2.17.1